The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 12, 1994
Filed:
Oct. 29, 1991
Applicant:
Inventors:
Laurier L Schramm, Calgary, CA;
Conrad Ayasse, Calgary, CA;
Karin Mannhardt, Calgary, CA;
Jaromir Novosad, Calgary, CA;
Assignee:
Alberta Oil Sands Technology and Research Authority, Edmonton, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73 5301 ; 73 6011 ; 73 6455 ;
Abstract
A process is provided for enhancing the recovery of oil in a subterranean formation. The process involves injecting a surfactant-containing foam having oil-imbibing and transporting properties. A foam having such properties is selected either by determination of the lamella number or by micro-visualization techniques.
Schramm, Laurier. (1994). Method for improving enhanced recovery of oil using (U.S. Patent No. 5301539). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5301539
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile